CN108065919B - Temperature sensing device capable of automatically switching modes and method for automatically switching modes thereof - Google Patents
Temperature sensing device capable of automatically switching modes and method for automatically switching modes thereof Download PDFInfo
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- CN108065919B CN108065919B CN201711084441.4A CN201711084441A CN108065919B CN 108065919 B CN108065919 B CN 108065919B CN 201711084441 A CN201711084441 A CN 201711084441A CN 108065919 B CN108065919 B CN 108065919B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/20—Clinical contact thermometers for use with humans or animals
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Abstract
The invention provides a temperature sensing device capable of automatically switching modes and a method for automatically switching the modes, wherein the device comprises: a control unit for determining whether the temperature sensing device enters or leaves a first mode or a second mode; a power supply unit for providing power to the temperature sensing device; and a power circuit, including the power supply unit, and electrically connect the control unit to provide power, the power circuit including a detection unit, the detection unit electrically connects the power supply unit and the control unit, the detection unit detects the moment when the temperature sensing device is moved from a resting state, so that the control unit determines that the temperature sensing device leaves the first mode and enters the second mode.
Description
Technical Field
The present invention relates to a power-on operation of a temperature sensing device, and more particularly, to an automatic mode switching temperature sensing device and an automatic mode switching method thereof.
Background
The electronic thermometer can provide rapid and accurate measurement of the body temperature, so that the electronic thermometer replaces the traditional mercury thermometer in common families. According to the prior art, the start-up design of the electronic thermometer is executed by a mechanical switch, and the user manually operates the power switch to turn the electronic thermometer from the OFF position to the ON position or continuously presses the power switch for a period of time before the electronic thermometer enters the start-up procedure. After the starting program is finished, the user can use the measuring function of the electronic thermometer. In addition, the shutdown design of the electronic clinical thermometer needs to be manually operated by the user to turn from the ON position to the OFF position, or automatically shut down after counting for a period of time in the standby state. In addition, after the electronic thermometer completes the boot program, the user needs to manually operate the pressing action of a function key to measure the temperature.
In order to improve the experience of the user in operating the electronic thermometer, if the user takes up or moves the electronic thermometer from a static state, the electronic thermometer can automatically enter a starting program or directly measure the temperature, so that the user does not need to operate a starting action in a manual mode or a pressing action of a function key again, and the electronic thermometer obtains better operation experience.
Disclosure of Invention
One of the objectives of the present invention is to provide an automatic mode switching temperature sensing device and an automatic mode switching method thereof, wherein a detection unit detects a time when the temperature sensing device is moved from a resting state, so that the temperature sensing device automatically enters a boot program, thereby improving the operation experience of a user.
One of the objectives of the present invention is to provide a temperature sensing device with an automatic switching mode and a method thereof, wherein the time when the temperature sensing device is moved from a static state is detected by touch, and a power-on procedure is automatically entered, and temperature measurement is performed by shaking or temperature measurement is restarted.
To achieve the above objectives, the present invention provides an automatic switching mode temperature sensing device, comprising:
a control unit for determining whether the temperature sensing device enters or leaves a first mode or a second mode;
a power supply unit for providing power to the temperature sensing device; and
the power supply circuit comprises a detection unit, the detection unit is electrically connected with the power supply unit and the control unit, and the detection unit detects the moment when the temperature sensing device is moved from a standing state, so that the control unit can determine that the temperature sensing device leaves the first mode and enters the second mode.
As a further improvement of the present invention, the detecting unit includes a touch sensing circuit, and the touch sensing circuit detects a time when the temperature sensing device is touched by a user, so as to enable the control unit to determine that the temperature sensing device leaves the first mode and enters the second mode.
As a further improvement of the present invention, wherein the touch sensing circuit electrically connects the power supply unit and the control unit.
As a further improvement of the present invention, the touch sensing circuit includes a sensor oscillator circuit having a sensing pad and an output signal, and a frequency sampling circuit for sampling a frequency of the output signal to output a sampling signal to the control unit.
As a further improvement of the present invention, when the sensing pad is touched by a user, the sensor oscillating circuit changes the frequency of the output signal, and the frequency sampling circuit enables the control unit to determine that the temperature sensing device leaves the first mode and enters the second mode.
As a further improvement of the present invention, the second mode is a standby state or a temperature measurement mode or a state after a power-on procedure.
As a further improvement of the invention, the temperature measuring device further comprises a function key for triggering the control unit to execute temperature operation processing and display measured data.
As a further improvement of the present invention, the detecting unit further comprises a shaking sensing circuit, the shaking sensing circuit senses a potential change of a shaking state of the temperature sensing device associated with a pin of the control unit, wherein the shaking sensing circuit comprises a full phase ball switch or a gravity sensor or a mercury switch.
As a further improvement of the present invention, the change in the potential of the pin enables the control unit to perform the temperature calculation processing and display the measurement data.
To achieve the above objectives, the present invention provides a method for automatically switching modes of a temperature sensing device into or out of a first mode or a second mode, comprising:
providing a detection unit in the temperature sensing device, wherein the detection unit is electrically connected with a power supply unit and a control unit; and
the detection unit is used for detecting the moment when the temperature sensing device is moved from the standing state, so that the control unit can determine that the temperature sensing device leaves the first mode and enters the second mode.
As a further improvement of the invention, the method further comprises the following steps: providing the detection unit comprising a touch sensing circuit, and detecting the time when the temperature sensing device is touched by a user by using the touch sensing circuit so as to enable the control unit to determine that the temperature sensing device leaves the first mode and enters the second mode.
As a further improvement of the present invention, the touch sensing circuit has a sensing pad disposed on an outer surface of the temperature sensing device for being touched by a user.
As a further improvement of the invention, the method further comprises the following steps: the detection unit is provided with a shake sensing circuit, and the shake sensing circuit is used for sensing the shake state of the temperature sensing device and the potential change of a pin of the control unit, so that the control unit can execute temperature operation processing and display measurement data.
As a further improvement of the present invention, the second mode is a standby mode, a temperature measurement mode or a state after a power-on procedure.
The invention has the advantages that:
according to the temperature sensing device and the method for automatically switching the modes, a user operates the temperature sensing device of the invention, for example: the forehead thermometer or ear thermometer obtains the operation experience of ' automatically starting up and starting up when taken up from a static state ' or ' automatically starting up a measurement mode when taken up from a static state ', reduces the time of confirming whether a device is started or not or whether the device enters a measurable state ' by consuming about 3-5 seconds on average in each use, shortens the reciprocal time of shutdown and directly automatically shuts down, and achieves the effect of saving energy of a battery. In addition, the temperature measurement is started again in a shaking mode to replace the function key pressing so that the electronic thermometer obtains better operation experience.
Drawings
FIG. 1 is a block diagram of an automatic switching mode temperature sensing device according to the present invention;
FIG. 2 is a front, perspective and side view of a temperature sensing device of the present invention;
FIG. 3A is a circuit diagram of a detecting unit of a power circuit of the temperature sensing device of the present invention;
FIG. 3B is a block diagram of a detecting unit of another power circuit of the temperature sensing device of the present invention;
FIG. 4 is a circuit diagram of the oscillator circuit of the sensor shown in FIG. 3B;
FIGS. 5A and 5B are flow charts illustrating an automatic switching mode of another temperature sensing device according to the present invention;
FIG. 6 is a side view of yet another temperature sensing device of the present invention;
fig. 7A and 7B are flow charts illustrating an automatic switching mode of another temperature sensing device according to the present invention.
Description of the symbols:
10 temperature sensing device
11 control unit (MCU)
12 LCD display
13 function key
14 digital proximity sensor
15 thermopile type temperature sensor
16 warning buzzer
17 memory (EEPROM)
18 communication port
19 casing
20 power supply circuit
21 detection unit
22 sensing mat
200,210,400,410 method for automatically switching modes
201,202,203,204,205,206,207,401,402,403,404,405,406,407 step
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
FIG. 1 is a block diagram of an automatic switching mode temperature sensing device according to the present invention. In an embodiment of the present invention, the temperature sensing device 10 capable of automatically switching modes includes a control unit (MCU)11, wherein the control unit 11 determines whether the temperature sensing device 10 enters or leaves a first mode or a second mode, is electrically connected to other blocks shown in fig. 1, and performs a temperature sensing function of the temperature sensing device 10; a communication port 18 for receiving externally set calibration parameters and programs; a memory (EEPROM)17 for storing calibration parameters and programs for access by the control unit 11; a digital proximity sensor 14 and a thermopile type temperature sensor 15 sensing measurement data on the human body for the control unit 11 to calculate the ear temperature or forehead temperature of the human body; a function key 13 for triggering the control unit 11 to execute the temperature calculation processing step and the measurement data display step, as shown in fig. 3A, 3B, 5A, 5B, and 6; a warning buzzer 16, which is controlled by the control unit 11 to generate a warning sound when the function key 13 triggers the control unit 11; an LCD 12 for displaying the ear temperature or forehead temperature calculated by the control unit 11; and a power circuit 20 electrically connected to the control unit 11 for providing power and providing power to other blocks shown in fig. 1 through the control unit 11 in an operating state, wherein the power circuit 20 includes a power supply unit (not shown) and a detection unit 21, wherein the power supply unit may be a battery, a rechargeable battery, a solar battery or other power supply units. The following power supply unit is illustrated by taking a battery as an example, the detecting unit 21 is electrically connected to the battery and the control unit 11, and the detecting unit 21 detects the time when the temperature sensing device 10 is moved from the resting state, so that the control unit 11 determines that the temperature sensing device 10 leaves the first mode and enters the second mode, and the detecting unit 21 detects the time when the temperature sensing device 10 is in the resting state, so that the control unit 11 determines that the temperature sensing device 10 enters the first mode.
In the embodiment of the present invention, the power circuit 20 defines a power supply circuit among the battery, the control unit 11 and the detection unit 21. The detection unit 21 detects the status to Enable (Enable) the control unit 11 to enter the working status or to Enable the control unit 11 to execute the program to complete the setting of the boot program. The control unit 11 controls the temperature sensing device 10 to enter or leave a first mode or a second mode according to the sensing state of the detecting unit 21. in various embodiments of the present invention, the detecting unit 21 can be implemented by different units such as a gravity sensor (G-sensor), a ball switch, a mercury switch, or a touch sensing circuit. Wherein, implementing the detecting unit 21 by different units will also make the first mode or the second mode of the temperature sensing device 10 different. In various embodiments of the present invention, the detecting unit 21 uses different units, the first mode of the temperature sensing apparatus 10 can be an automatic detecting mode or a state after an automatic shutdown in a standby state, and the second mode of the temperature sensing apparatus 10 can be a standby state or a temperature measuring mode or a state after a startup procedure.
In an embodiment of the present invention, the battery of the power circuit 20 directly supplies power to the control unit 11 and the memory 17, the detecting unit 21 is electrically connected to a pin of the control unit 11, and the sensing state of the detecting unit 21 determines the potential of the pin. In this embodiment, the first mode of the temperature sensing device 10 is an auto-detection mode in which the control unit 11 is powered and in operation, and executes a program stored in the memory 17 to determine the potential of the pin. When the detecting unit 21 detects that the temperature sensing apparatus 10 is continuously in the standing state and the pin is at the low potential (L), the control unit 11 continuously determines whether the potential of the pin changes, until the detecting unit 21 detects that the temperature sensing apparatus 10 is moved or picked up from the standing state and the pin changes to the high potential, the control unit 11 performs the initial setting of the temperature sensing apparatus 10 according to a program executing boot-up procedure. Therefore, the detection unit 21 enables the control unit 11 to determine that the temperature sensing device 10 leaves the automatic detection mode and enters the power-on procedure or standby state or temperature measurement mode. In addition, in order to prevent the temperature sensing device 10 from being mistakenly touched and moved when the temperature sensing device 10 is in a still state, but the user does not pick up the temperature sensing device 10, the control unit 11 can determine the potential state of the pin to eliminate such a false operation, for example: when the voltage level of the pin goes from L to H and soon goes from H to L, the control unit 11 does not execute the boot-up procedure to leave the auto-detection mode (the first mode).
According to the prior art, the conventional temperature sensing device starts the counting of the shutdown time in the standby state, and automatically shuts down after a period of time. In the above embodiment of the present invention, during the period when the control unit 11 starts the power-off counting in the standby state, if the detecting unit 21 detects the time when the temperature sensing device 10 is in the resting state and the pin is at the low potential (L), the control unit 11 can directly power off without waiting for the end of the power-off counting time, so as to shorten the automatic power-off time of the prior art and achieve the effect of saving battery energy.
Fig. 2 shows a front view, a perspective view and a side view of a temperature sensing device of the present invention. In this embodiment of the present invention, the temperature sensing device 10 of the present invention comprises a housing 19, and all blocks shown in fig. 1 are disposed in the housing 19, wherein the detecting unit 21 of the power circuit 20 can be realized by a push switch that is actuated by protruding from the surface of the housing. The housing 19 is designed by the outline shown in fig. 2, and the gravity given by the battery installed in the housing 19 makes the outline of the housing 19 look like a tumbler regardless of the initial placement posture when the temperature sensing device 10 is placed on a plane L, so that the housing 19 will always keep a predetermined bottom contacting the plane L. The push switch as the detection unit 21 is installed on the predetermined bottom of the housing 19, and the protrusion for actuating the push switch is protruded from the surface of the predetermined bottom. Therefore, as shown in fig. 2, when the temperature sensing device 10 is placed on a plane L, the contact of the bottom of the housing 19 with the plane L will actuate the protrusion of the push switch to push the push switch. When the temperature sensing device 10 is lifted from the plane L, the bottom of the housing 19 away from the plane L will deactivate the protrusion of the push switch without pressing the push switch. In addition, the push switch is preferably located at the predetermined bottom of the housing 19 so as to avoid the user's holding part for operating the temperature sensing device 10, so as to avoid malfunction caused by pressing the push switch when temperature measurement is performed.
In this embodiment of the present invention, the power circuit 20 configures the push switch in the power supply path between the battery and the control unit 11, when the push switch is pushed, the control unit 11 is in the power-off state, and when the push switch is pushed to the non-pushed state from the pushed state, the control unit 11 is powered to enter the working state, so as to execute the power-on procedure and enter the standby state. In another embodiment of the present invention, the power circuit 20 includes at least two push switches as the detecting unit 21 to increase the chance of the push switches being pushed according to different postures of the temperature sensing device 10, and the two push switches are connected in series in the power circuit 20. When the temperature sensing device 10 is placed in a non-planar position, any one of the push switches is pushed to turn the control unit 11 off. In yet another embodiment of the present invention, the housing 19 has a movable protrusion mechanism, such as the mechanism protruding from the surface of the housing shown in FIG. 2, which when pressed, actuates at least one push switch of the power circuit 20 in the housing 19 to achieve the above-mentioned objects.
Fig. 3A shows a circuit diagram of a detecting unit 21 of a power circuit 20 of the temperature sensing device of the present invention. In this embodiment of the present invention, the detecting unit 21 of the power circuit 20 includes a jitter detecting circuit, as shown in fig. 3A. The wobble sensing circuit uses an all-phase ball switch as an example. The all-phase ball switch has two electrical contacts, and the detection characteristic is that when the ball switch is at rest, the two electrical contacts 1 and 2 are in a conducting state, and when the ball switch is taken up, the two electrical contacts 1 and 2 are temporarily opened. The slosh sensing circuit of the power circuit 20 includes an RC circuit including resistors R1, R2, R3 and a capacitor C, as shown in the connection relationship, wherein Vcc is connected to the power supply unit of the power circuit 20, such as: a battery. The full-phase ball switch and the RC circuit are matched to form a loop, wherein the parameters of the RC circuit such as resistors R1, R2, R3, a capacitor C and the like can adjust the sensitivity of the ball switch signal. When the ball switch is in the static state, the two electrical contacts 1,2 of the ball switch are in the short-circuit conducting state, the level of the electrical contact 1 is determined by the voltage division of the resistors R2, R3 in parallel with the resistor R1, and the transistor Q is more easily triggered to conduct when the voltage division is higher, i.e. the sensitivity is higher. When the ball switch is shaken as the values of the resistor R1 and the capacitor C are larger, the voltage rise time of the electrical contact 1 is slower, the conduction of the transistor Q is less likely to be triggered, and the sensitivity is lower. When the transistor Q is turned on, the control unit 11 is enabled to perform a boot-up procedure and enter a standby state or a temperature measurement mode. In addition, the jitter sensing circuit of the power circuit 20 uses the transistor Q as a buffer to prevent the control unit 11 from consuming too much standby power in the shutdown state.
In various embodiments of the present invention, the shake sensing circuit shown in fig. 3A may also be a gravity sensor or a mercury switch, so as to achieve the purpose of the present invention in the above embodiments.
Fig. 3B shows a block diagram of a detecting unit 21 of another power circuit of the temperature sensing device of the present invention. In this embodiment of the present invention, the detecting unit 21 of the power circuit 20 includes a touch sensing circuit electrically connected to the power supply unit and the control unit. The touch sensing circuit detects the time when the temperature sensing device is touched by a user, so that the control unit determines that the temperature sensing device leaves the first mode and enters the second mode. The touch sensing circuit includes a sensor oscillator having a sensing pad 22 and an output signal, and a frequency sampling circuit electrically connected to the sensor oscillator and sampling a frequency of the output signal to output a sampling signal to the control unit 11. When the sensing pad 22 is touched by a user's hand, the sensor oscillator circuit changes the frequency of the output signal, so that the control unit 11 can determine that the temperature sensing device leaves the first mode and enters the second mode according to the sampling signal via the frequency sampling circuit.
Referring to fig. 4, a circuit diagram of the oscillator circuit of the sensor shown in fig. 3B is shown. As shown in fig. 4, the sensor oscillator circuit uses a plurality of inverters and a buffer in combination with an RC circuit to achieve the oscillating effect and output an output signal with a frequency. When the hand of the user does not touch the sensing pad 22, the sensor oscillating circuit outputs an output signal with a fixed frequency; when the user's hand touches the sensing pad 22, the sensor oscillator circuit generates a frequency shift to output a slower frequency output signal. Therefore, the frequency sampling circuit of the touch sensing circuit samples the frequency of the output signal, the output sampling signal can reflect whether the sensing pad 22 is touched by the user's hand, and the control unit 11 determines that the temperature sensing device leaves the first mode and enters the second mode according to the sampling signal.
The sensing pad 22 of the sensor oscillator circuit is preferably disposed on the outer surface of the temperature sensing device, as shown in FIG. 6. The larger the area of the sensing mat 22, the better the sensitivity, and the shape of the sensing mat 22 can be a solid circular, square or rectangular shape, or a line can be a basket-empty shape. The material of the sensing pad 22 can be selected from a copper foil of a PCB, a metal sheet, a flat spring, conductive cotton, conductive rubber, an ITO glass layer, and the like.
Referring to fig. 5A and 5B, a flow chart of an automatic switching mode of another temperature sensing device according to the present invention is shown. In this embodiment of the present invention, the temperature sensing device 10 of the present invention includes a housing 19, all blocks shown in fig. 1 are disposed in the housing 19, wherein the detecting unit 21 of the power circuit 20 can be implemented by a full-phase ball switch, a gravity sensor or a mercury switch, wherein the shaking state sensed by the detecting unit 21 is related to the potential change of one pin of the control unit 11, and the potential change is detected and determined by the control unit 11 under power supply and operation. The automatic switching mode of the temperature sensing device 10 of this embodiment can use the method 200 shown in fig. 5A and the method 210 shown in fig. 5B, which are different only in the sequence of steps, and can be easily associated and easily completed by one of ordinary skill in the art. After the temperature sensing device 10 is shaken out of the first mode, the method 200 shown in fig. 5A enters a second mode (or standby mode) of the standby state; the method 210 shown in fig. 5B enters a second mode (or temperature measurement mode) for measuring the temperature after the temperature sensing device 10 is shaken out of the first mode.
As shown in fig. 5A, the method 200 for automatically switching modes according to the present invention is applicable to a temperature sensing device 10 entering or leaving a first mode or a second mode, and comprises: step 201: a sway detection, in a first mode, such as an automatic detection mode, the control unit 11 determines whether the temperature sensing device 10 leaves the first mode by determining a potential change of a pin associated with the detection unit 21, when the temperature sensing device 10 is placed on a plane and is in a standing state, the detection unit 21 detects that the pin is not swayed, so that the control unit 11 detects that the pin is at a fixed potential, such as a low potential, and therefore, the temperature sensing device 10 is continuously in the first mode; until the temperature sensing device 10 is moved or lifted, the detecting unit 21 senses the shaking, so that the control unit 11 detects the pin potential change, and accordingly, the working state is determined to be entered and the first mode is left. Step 202: after the control unit 11 performs a boot program according to the program of the memory 17 to perform an initial setting on the temperature sensing device 10 (including the control unit 11 supplying power to other blocks shown in fig. 1), the temperature sensing device 10 enters a second mode, such as a standby state or a temperature sensing mode.
In this embodiment of the present invention, in the second mode, the shaking state sensed by the detecting unit 21 can be used to trigger the temperature sensing device 10 to measure and display the temperature through the potential change of a pin associated with the control unit 11. Step 203: and (3) shaking detection, in the second mode, the control unit 11 detects the potential change of the pin to judge whether the detection unit 21 senses shaking, if shaking occurs, the control unit 11 executes the temperature calculation processing in the step 204, and if not shaking, the control unit 11 executes the shutdown time counting in the step 206. In another embodiment of the present invention, in the second mode, step 203 may be performed by the control unit 11 determining whether the function key 13 is pressed, if the function key 13 is pressed, the control unit 11 performing the temperature operation process of step 204, and if the function key 13 is not pressed, the control unit 11 performing the power-off time count of step 206. The function key 13 not only triggers the temperature measurement function, but also the function key 13 has the shutdown function, such as: the power-off state is entered immediately when the function key 13 is pressed for a while.
Referring to the flowchart shown in fig. 5A, in the embodiment of the present invention, in step 204, the temperature calculation process, the control unit 11 enables the digital proximity sensor 14 and the thermopile type temperature sensor 15 to sense the measurement data related to the human body, so that after calculating the ear temperature or the forehead temperature of the human body, the control unit 11 executes the display of the measurement data in step 205. Step 205, displaying the measurement data, the control unit 11 displaying the calculated ear temperature or forehead temperature data of the human body on the LCD 12, returning to the second mode, and continuing to execute step 203. In step 206, the shutdown time is counted, and when the temperature sensing device 10 is in the second mode and the detecting unit 21 senses that the temperature sensing device is not yet shaken, the control unit 11 starts the shutdown time counting and performs the shutdown time determination in step 207. Step 207, the shutdown time, the control unit 11 determines that the counting result of the shutdown time has not reached the shutdown time, returns to the second mode, continues to execute step 203, until the counting result of the shutdown time reaches the shutdown time, the control unit 11 determines that the temperature sensing apparatus 10 enters the first mode, and executes step 201.
As shown in FIG. 5B, the method 210 for automatically switching modes of the present invention differs from the method 200 shown in FIG. 5A in the order of steps, and the same step numbers 201,202, … are performed for the same purpose. Therefore, the method 210 for automatically switching modes according to the present invention enables the temperature sensing device 10 to enter the second mode (or called temperature measurement mode) for measuring temperature after being shaken out of the first mode, and then proceeds to steps 204 and 205. If the user wants to measure the temperature again or enter the second mode, the user can shake the temperature sensing device 10 again; if the temperature sensing device 10 is left standing, the first mode is returned to via steps 206, 207.
As shown in FIG. 6, a side view of yet another temperature sensing device of the present invention is shown. In this embodiment of the present invention, the temperature sensing device 10 of the present invention includes a housing 19 having a bottom, an upper surface and two side surfaces, all blocks shown in fig. 1 are disposed in the housing 19, wherein the detecting unit 21 of the power circuit 20 includes the touch sensing circuit shown in fig. 3B and the shake sensing circuit shown in fig. 3A. The sensing pad 22 of the touch sensing circuit is preferably disposed on the upper surface or two sides of the housing 19, and the larger the area of the sensing pad 22, the better the sensitivity, and the material thereof can be selected from PCB copper foil, metal sheet, flat spring, conductive cotton, conductive rubber, ITO glass layer, etc. The housing 19 is designed by a contour and matches with the gravity given by the battery installed in the housing 19, so that when the temperature sensing device is placed on a plane L, no matter how the temperature sensing device is initially placed, the contour of the housing 19 is designed like a tumbler, so that the housing 19 always keeps a preset bottom in contact with the plane L, and keeps the upper surface and two side surfaces on the upper position of the plane L, so that the user can easily touch the touch sensor 22 by holding the housing 19. In another embodiment, the housing 19 of the temperature sensing device 10 of the present invention can also be placed in a box so that the user can easily touch the sensing pad 22 when picking up the temperature sensing device 10.
Fig. 7A and 7B show a flow chart of an automatic switching mode of another temperature sensing device according to the present invention. In the embodiment of the present invention shown in fig. 6, the automatic switching mode of the temperature sensing device 10 of the present invention can use the method 400 shown in fig. 7A and the method 410 shown in fig. 7B, which are different only in the sequence of steps, and can be easily associated and easily accomplished by one of ordinary skill in the art. The method 400 shown in fig. 7A enters a second mode (or standby mode) of the standby state after the sensing pad 22 of the temperature sensing device 10 is touched and leaves the first mode; the method 410 shown in fig. 7B enters a second mode (or temperature measurement mode) for measuring the temperature after the sensing pad 22 of the temperature sensing device 10 is touched to leave the first mode.
As shown in fig. 7A, a method 400 for automatically switching modes, which is suitable for the temperature sensing device 10 to enter or leave a first mode or a second mode, includes: step 401: touch detection, in a first mode, such as an automatic detection mode, the control unit 11 determines a sampling signal output by the touch sensing circuit to determine whether the temperature sensing device 10 leaves the first mode, when the temperature sensing device 10 is at rest, the touch sensor 22 senses that a user does not touch, so that the control unit 11 determines that the sampling signal is known to output a fixed frequency by the sensor oscillating circuit, and thus, the temperature sensing device 10 is continuously in the first mode; until the sensing pad 22 of the temperature sensing device 10 is touched by a user, the control unit 11 determines the sampling signal to know that the sensor oscillator circuit changes the output frequency, and accordingly determines to enter the working state and leave the first mode. Step 402: after the control unit 11 performs a boot program according to the program of the memory 17 to perform an initial setting on the temperature sensing device 10 (including the control unit 11 supplying power to other blocks shown in fig. 1), the temperature sensing device 10 enters a second mode, such as a standby state or a temperature sensing mode.
As shown in fig. 7A, step 403: and (3) shake detection, in the second mode, the control unit 11 detects the potential change of the pin to judge whether the detection unit 21 senses shake, if so, the control unit 11 executes the temperature calculation processing in the step 404, and if not, the control unit 11 executes the shutdown time counting in the step 406. In another embodiment of the present invention, in the second mode, step 403 may be performed by the control unit 11 determining whether the function key 13 is pressed, and if the function key 13 is pressed, the control unit 11 performs the temperature calculation process of step 404, and if the function key 13 is not pressed, the control unit 11 performs the power-off time count of step 406. The function key 13 not only triggers the temperature measurement function, but also the function key 13 has a power-off function, and immediately enters a power-off state when the function key 13 is continuously pressed for a period of time. In step 404, the temperature calculation process is performed, the control unit 11 enables the digital proximity sensor 14 and the thermopile type temperature sensor 15 to sense the measurement data related to the human body, so that after calculating the ear temperature or forehead temperature of the human body, the control unit 11 executes the display of the measurement data in step 405. Step 405, displaying the measurement data, the control unit 11 displaying the calculated ear temperature or forehead temperature data of the human body on the LCD 12, returning to the second mode, and continuing to execute step 403. In step 406, the shutdown time is counted, and when the temperature sensing device 10 is in the second mode and the shake sensing circuit senses that the temperature sensing device is not yet shaken, the control unit 11 starts the shutdown time counting and performs the shutdown time determination in step 407. Step 407, power-off time, the control unit 11 determines that the counting result of the power-off time has not reached the power-off time, returns to the second mode, continues to execute step 403, until the counting result of the power-off time reaches the power-off time, the control unit 11 determines that the temperature sensing apparatus 10 enters the first mode, and executes step 401.
As shown in FIG. 7B, the method 410 for automatically switching modes of the present invention differs from the method 400 of FIG. 7A in the order of steps, and the same step numbers 401,402, and … are performed for the same purpose. Therefore, the method 410 for automatically switching modes according to the present invention enables the sensing pad 22 of the temperature sensing device 10 to be touched to leave the first mode, and then enters the second mode (or called temperature measurement mode) for measuring temperature to perform steps 404 and 405. If the user wants to measure the temperature again or enter the second mode, the user can shake the temperature sensing device 10 again; if the temperature sensing device 10 is left standing, the first mode is returned to via steps 406 and 407.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An automatic switching mode temperature sensing device comprising:
a control unit for determining whether the temperature sensing device enters or leaves a first mode or a second mode;
a power supply unit for providing power to the temperature sensing device; and
a power circuit, including the power supply unit, and electrically connected to the control unit for providing power, wherein: the temperature sensing device comprises a touch sensing circuit and a shaking sensing circuit which are respectively electrically connected with the control unit, wherein the touch sensing circuit detects the time when the temperature sensing device is touched by a user so as to enable the control unit to determine that the temperature sensing device leaves the first mode, the shaking sensing circuit detects the shaking state of the temperature sensing device so as to enable the control unit to determine that the temperature sensing device enters the first mode or the second mode, the shaking sensing circuit comprises a shaking detection unit, a first resistor, a second resistor, a third resistor and a capacitor, the shaking detection unit and the third resistor are connected in series and then connected in parallel between the base electrode and the emitter electrode of a transistor together with the second resistor and the capacitor, the base electrode of the transistor is connected with a working voltage through the first resistor, and the emitter electrode of the transistor is connected with the ground of the control unit, the collector of the transistor is connected with the working voltage through a resistor.
2. The auto-switching mode temperature sensing device of claim 1, wherein the touch sensing circuit is electrically connected to the power supply unit.
3. The apparatus of claim 1, wherein the touch sensing circuit comprises a sensor oscillator circuit having a sensing pad and an output signal, and a frequency sampling circuit for sampling a frequency of the output signal to output a sampling signal to the control unit.
4. The apparatus according to claim 3, wherein the sensor oscillator circuit changes the frequency of the output signal when the sensing pad is touched by the user, and the frequency sampling circuit enables the control unit to determine that the temperature sensing apparatus leaves the first mode.
5. The apparatus of claim 1, wherein the second mode is a standby state, a temperature measurement mode or a state after a power-on procedure.
6. The apparatus as claimed in claim 1, further comprising a function key for triggering the control unit to perform temperature calculation and display measurement data.
7. The apparatus of claim 1, wherein the conduction of the transistor is related to the potential variation of a pin of the control unit, and the first, second, third resistors and the capacitor are used to adjust the sensitivity of the conduction of the transistor, so that the control unit can determine whether the temperature sensing apparatus enters the first mode or the second mode, wherein the wobble detection unit is a full-phase ball switch or a gravity sensor or a mercury switch.
8. The apparatus as claimed in claim 7, wherein the change in the voltage level of the pin enables the control unit to perform temperature calculation and display measurement data.
9. A method for automatically switching between modes, wherein a temperature sensing device enters or leaves a first mode or a second mode, comprising:
providing a touch sensing circuit and a wobble sensing circuit in the temperature sensing device, and electrically connecting the touch sensing circuit and the wobble sensing circuit with a control unit respectively;
detecting the time when the temperature sensing device is touched by a user by using the touch sensing circuit so as to enable the control unit to determine that the temperature sensing device leaves the first mode; and
the shaking sensing circuit is used for detecting the shaking state of the temperature sensing device so as to enable the control unit to determine that the temperature sensing device enters the first mode or the second mode, wherein the shaking sensing circuit comprises a shaking sensing unit, a first resistor, a second resistor, a third resistor and a capacitor, the shaking sensing unit is connected with the third resistor in series and then connected between a base electrode and an emitting electrode of a transistor in parallel together with the second resistor and the capacitor, the base electrode of the transistor is connected with a working voltage through the first resistor, the emitting electrode of the transistor is connected with the ground of the control unit, and a collector electrode of the transistor is connected with the working voltage through a resistor.
10. The method as claimed in claim 9, wherein the touch sensing circuit has a sensing pad disposed on an outer surface of the temperature sensing device for being touched by a user.
11. The method for automatically switching modes according to claim 9, further comprising: the conduction of the transistor is used for being related to the potential change of a pin of the control unit, and the first resistor, the second resistor, the third resistor and the capacitor are used for adjusting the conduction sensitivity of the transistor, so that the control unit can execute temperature operation processing and display measurement data.
12. The method of claim 9, wherein the second mode is a standby state or a temperature measurement mode or a state after a power-on procedure.
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| TW105136117 | 2016-11-07 | ||
| TW105136117 | 2016-11-07 | ||
| TW106135483A TWI660711B (en) | 2016-11-07 | 2017-10-17 | Temperature sensing device for automatic switching mode and method for automatically switching modes |
| TW106135483 | 2017-10-17 |
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| CN108065919A CN108065919A (en) | 2018-05-25 |
| CN108065919B true CN108065919B (en) | 2021-03-26 |
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| US (1) | US10656030B2 (en) |
| EP (1) | EP3318858B1 (en) |
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| US11328152B2 (en) * | 2019-06-17 | 2022-05-10 | Pixart Imaging Inc. | Recognition system employing thermal sensor |
| CN210089862U (en) * | 2019-07-11 | 2020-02-18 | 深圳市福瑞诺科技有限公司 | Dual-purpose infrared ear thermometer easy to clean |
| CN112964373B (en) * | 2021-04-06 | 2022-03-18 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Forehead temperature gun capable of adjusting internal temperature |
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| JPS61182543A (en) * | 1985-02-09 | 1986-08-15 | Omron Tateisi Electronics Co | Electronic clinical thermometer |
| JPH0822361A (en) * | 1994-07-07 | 1996-01-23 | Heiwa Denki Kk | Electrostatic inducation type noncontact switch controller |
| US7938783B2 (en) * | 2003-08-19 | 2011-05-10 | Advanced Monitors Corporation | Medical body core thermometer |
| US7350973B2 (en) | 2005-06-24 | 2008-04-01 | Kaz, Incorporated | Color changing thermometer |
| KR101397830B1 (en) * | 2007-08-28 | 2014-05-20 | 삼성전자주식회사 | Apparatus for controlling power |
| JP5540499B2 (en) * | 2008-02-22 | 2014-07-02 | オムロンヘルスケア株式会社 | Electronic thermometer |
| US9459158B2 (en) * | 2010-12-13 | 2016-10-04 | Helen Of Troy Limited | Thermometer with age specific feature selection |
| CN201977778U (en) * | 2010-12-17 | 2011-09-21 | 杭州世佳电子有限公司 | Electronic thermometer |
| JP5792570B2 (en) * | 2011-09-21 | 2015-10-14 | 埼玉日本電気株式会社 | Portable terminal device and program |
| CN102908128B (en) * | 2012-08-23 | 2014-08-20 | 厦门安氏兄弟科技有限公司 | Electronic thermometer and control method thereof |
| US9826977B2 (en) * | 2014-03-26 | 2017-11-28 | Ethicon Llc | Sterilization verification circuit |
| CN204260729U (en) * | 2014-05-08 | 2015-04-15 | 彭炯 | Based on the low power-consumption intelligent clinical thermometer of motion sensor |
| TWM508302U (en) | 2015-04-17 | 2015-09-11 | Univ Hwa Hsia Technology | Wearable device with function of measuring and displaying body temperature |
| TWM516053U (en) | 2015-07-22 | 2016-01-21 | Jia-Hong Lin | Can sense heartbeat temperature of textile products |
| KR101792232B1 (en) * | 2016-03-24 | 2017-10-31 | (주)초이스테크놀로지 | Body temperature measuring device |
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| EP3318858A1 (en) | 2018-05-09 |
| US10656030B2 (en) | 2020-05-19 |
| US20180128691A1 (en) | 2018-05-10 |
| JP2018077224A (en) | 2018-05-17 |
| EP3318858B1 (en) | 2021-09-08 |
| CN108065919A (en) | 2018-05-25 |
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